1 these tracking methods are illegal and punishable.only the regulator in the event of fraud such as theft of funds from the account can monitor the account in the system
those tracking methods aren't illegal, and spoiler alert, 99.99% of websites collect the same tracking data on you, ip, device fingerprint, cookies, pixels...
2 The site imposes a personal limit, which is again illegal and confirmed by numerous court decisions.
also not illegal, any casino is well within their right to limit you or refuse service to you.
it's all in the terms, and you can't sign up and play without agreeing to it.